
class DemoTest : Test
{

  Void test0() {

    Obj obj := 123
    verify(obj isnot Str)    //     =>  evaluates to false
    verify(obj is Num)       //     =>  evaluates to true
    verifyNull(obj as Float) //     =>  evaluates to null
    verifyEq(obj as Int,123) //     =>  evaluates to 6 (expr is typed as Int)
  }
}



